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filter is not described

woocommerce_product_is_in_stock filter-hook . WC 1.0

Returns whether or not the product can be purchased. This returns true for 'instock' and 'onbackorder' stock statuses.

Usage

add_filter( 'woocommerce_product_is_in_stock', 'filter_function_name_3097', 10, 2 );
function filter_function_name_3097( $string, $that ){
	// filter...

	return $string;
}
$string
-
$that
-

Where the hook is called

WC_Product::is_in_stock()
woocommerce_product_is_in_stock
woocommerce/includes/abstracts/abstract-wc-product.php 1626
return apply_filters( 'woocommerce_product_is_in_stock', 'outofstock' !== $this->get_stock_status(), $this );

Where in WP core the hook is used WooCommerce

Usage not found.